package com.sinaapp.kltq.dinosaurweather;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.app.Fragment;
import android.os.Handler;
import android.os.Message;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.view.animation.LinearInterpolator;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.sinaapp.kltq.weathermanager.WeatherManager;

import java.text.SimpleDateFormat;


/**
 * A simple {@link Fragment} subclass.
 * Activities that contain this fragment must implement the
 * {@link UpdateTimeFragment.OnFragmentInteractionListener} interface
 * to handle interaction events.
 * Use the {@link UpdateTimeFragment#newInstance} factory method to
 * create an instance of this fragment.
 */
public class UpdateTimeFragment extends Fragment {
    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
    private static final String ARG_PARAM1 = "param1";
    private static final String ARG_PARAM2 = "param2";

    private int cityIndex;
    private ImageView btnUpdate;

    private Handler myHandler = new Handler() {
        public void handleMessage(Message msg) {
            switch (msg.what) {
                case 1:
                    // 刷新完毕
                    Intent intent = new Intent();
                    char pageType;
                    if (getActivity().getClass() == FlipWhiteActivity.class) {
                        intent.setClass(getActivity(), FlipBlackActivity.class);
                        pageType = ((FlipWhiteActivity)getActivity()).pageType;
                    } else {
                        intent.setClass(getActivity(), FlipWhiteActivity.class);
                        pageType = ((FlipBlackActivity)getActivity()).pageType;
                    }
                    intent.putExtra("cityIndex", cityIndex);
                    intent.putExtra("pageType", pageType);
                    startActivity(intent);
                    getActivity().overridePendingTransition(R.anim.anim_none, R.anim.anim_none);
                    break;
                case 2:
                    Toast.makeText(getActivity().getApplicationContext(), "网络错误", Toast.LENGTH_SHORT).show();
                    btnUpdate.clearAnimation();
                    break;
            }
            // 允许翻页
            if (getActivity().getClass() == FlipWhiteActivity.class) {
                ((FlipWhiteActivity) getActivity()).isUpdating = false;
            } else {
                ((FlipBlackActivity) getActivity()).isUpdating = false;
            }
            super.handleMessage(msg);
        }
    };

    private String mParam1;
    private String mParam2;

    private OnFragmentInteractionListener mListener;

    /**
     * Use this factory method to create a new instance of
     * this fragment using the provided parameters.
     *
     * @param param1 Parameter 1.
     * @param param2 Parameter 2.
     * @return A new instance of fragment UpdateTimeFragment.
     */
    public static UpdateTimeFragment newInstance(String param1, String param2) {
        UpdateTimeFragment fragment = new UpdateTimeFragment();
        Bundle args = new Bundle();
        args.putString(ARG_PARAM1, param1);
        args.putString(ARG_PARAM2, param2);
        fragment.setArguments(args);
        return fragment;
    }

    public UpdateTimeFragment() {
        // Required empty public constructor
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null) {
            mParam1 = getArguments().getString(ARG_PARAM1);
            mParam2 = getArguments().getString(ARG_PARAM2);
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        return inflater.inflate(R.layout.fragment_update_time, container, false);
    }

    public void onButtonPressed(Uri uri) {
        if (mListener != null) {
            mListener.onFragmentInteraction(uri);
        }
    }

    @Override
    public void onStart() {
        if (getActivity().getClass() == FlipWhiteActivity.class) {
            cityIndex = ((FlipWhiteActivity)getActivity()).cityIndex;
        } else {
            cityIndex = ((FlipBlackActivity)getActivity()).cityIndex;
        }
        WeatherManager wm = new WeatherManager(getActivity().getApplicationContext());
        String city = wm.getCityList().get(cityIndex).city;
        if (wm.getUpdateDate(city) != null) {
            ((TextView) getActivity().findViewById(R.id.updateTimeText)).setText(
                    "更新于 " + new SimpleDateFormat("yyyy-MM-dd HH:mm").format(wm.getUpdateDate(city)));
        }
        btnUpdate = (ImageView) getActivity().findViewById(R.id.updateTimeBtn);
        btnUpdate.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // 禁止翻页
                if (getActivity().getClass() == FlipWhiteActivity.class) {
                    ((FlipWhiteActivity) getActivity()).isUpdating = true;
                } else {
                    ((FlipBlackActivity) getActivity()).isUpdating = true;
                }
                // 旋转动画
                Animation operatingAnim = AnimationUtils.loadAnimation(getActivity(), R.anim.rotate_update);
                LinearInterpolator lin = new LinearInterpolator();
                operatingAnim.setInterpolator(lin);
                if (operatingAnim != null) {
                    btnUpdate.startAnimation(operatingAnim);
                }
                // 更新
                new Thread(new Runnable() {
                    @Override
                    public void run() {
                        // 接口
                        WeatherManager wm = new WeatherManager(getActivity().getApplicationContext());
                        Message message = new Message();
                        if (wm.pleaseUpdateThisSir(wm.getCityList().get(cityIndex).city)) {
                            message.what = 1;
                        } else {
                            message.what = 2;
                        }
                        myHandler.sendMessage(message);
                    }
                }).start();
            }
        });
        super.onStart();
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        try {
            mListener = (OnFragmentInteractionListener) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException(activity.toString()
                    + " must implement OnFragmentInteractionListener");
        }
    }

    @Override
    public void onDetach() {
        super.onDetach();
        mListener = null;
    }

    /**
     * This interface must be implemented by activities that contain this
     * fragment to allow an interaction in this fragment to be communicated
     * to the activity and potentially other fragments contained in that
     * activity.
     * <p/>
     * See the Android Training lesson <a href=
     * "http://developer.android.com/training/basics/fragments/communicating.html"
     * >Communicating with Other Fragments</a> for more information.
     */
    public interface OnFragmentInteractionListener {
        public void onFragmentInteraction(Uri uri);
    }

}
